Implement selection of an overload function based on its argument.
Implement selection of an overload function based on its argument.

Swift SVN r354

deyton/swift,sdulal/swift,khizkhiz/swift,parkera/swift,jmgc/swift,KrishMunot/swift,slavapestov/swift,parkera/swift,ken0nek/swift,modocache/swift,karwa/swift,apple/swift,hughbe/swift,KrishMunot/swift,ken0nek/swift,MukeshKumarS/Swift,devincoughlin/swift,xwu/swift,shajrawi/swift,kusl/swift,LeoShimonaka/swift,return/swift,sdulal/swift,glessard/swift,benlangmuir/swift,xwu/swift,hooman/swift,alblue/swift,jckarter/swift,cbrentharris/swift,tinysun212/swift-windows,CodaFi/swift,gmilos/swift,dduan/swift,khizkhiz/swift,MukeshKumarS/Swift,huonw/swift,aschwaighofer/swift,Ivacker/swift,shahmishal/swift,KrishMunot/swift,IngmarStein/swift,nathawes/swift,harlanhaskins/swift,codestergit/swift,IngmarStein/swift,hooman/swift,deyton/swift,gregomni/swift,djwbrown/swift,karwa/swift,return/swift,harlanhaskins/swift,stephentyrone/swift,felix91gr/swift,CodaFi/swift,gottesmm/swift,parkera/swift,xedin/swift,harlanhaskins/swift,CodaFi/swift,manavgabhawala/swift,ben-ng/swift,jtbandes/swift,atrick/swift,mightydeveloper/swift,sschiau/swift,nathawes/swift,swiftix/swift.old,tkremenek/swift,dduan/swift,brentdax/swift,jckarter/swift,hughbe/swift,tkremenek/swift,manavgabhawala/swift,tjw/swift,sdulal/swift,manavgabhawala/swift,modocache/swift,practicalswift/swift,bitjammer/swift,shahmishal/swift,sschiau/swift,JGiola/swift,therealbnut/swift,shahmishal/swift,adrfer/swift,cbrentharris/swift,natecook1000/swift,emilstahl/swift,arvedviehweger/swift,lorentey/swift,LeoShimonaka/swift,ken0nek/swift,arvedviehweger/swift,parkera/swift,OscarSwanros/swift,hooman/swift,xedin/swift,kperryua/swift,devincoughlin/swift,jmgc/swift,SwiftAndroid/swift,zisko/swift,bitjammer/swift,parkera/swift,tinysun212/swift-windows,brentdax/swift,cbrentharris/swift,tinysun212/swift-windows,atrick/swift,karwa/swift,allevato/swift,ken0nek/swift,danielmartin/swift,zisko/swift,kentya6/swift,huonw/swift,zisko/swift,calebd/swift,KrishMunot/swift,emilstahl/swift,MukeshKumarS/Swift,alblue/swift,airspeedswift/swift,dduan/swift,sdulal/swift,practicalswift/swift,kperryua/swift,aschwaighofer/swift,danielmartin/swift,OscarSwanros/swift,calebd/swift,benlangmuir/swift,danielmartin/swift,jckarter/swift,therealbnut/swift,slavapestov/swift,glessard/swift,ahoppen/swift,mightydeveloper/swift,atrick/swift,shahmishal/swift,rudkx/swift,ben-ng/swift,arvedviehweger/swift,stephentyrone/swift,milseman/swift,jckarter/swift,jmgc/swift,khizkhiz/swift,jmgc/swift,manavgabhawala/swift,therealbnut/swift,sdulal/swift,ben-ng/swift,tkremenek/swift,deyton/swift,tinysun212/swift-windows,hughbe/swift,tjw/swift,slavapestov/swift,milseman/swift,glessard/swift,KrishMunot/swift,slavapestov/swift,hooman/swift,KrishMunot/swift,codestergit/swift,xedin/swift,gmilos/swift,xedin/swift,JaSpa/swift,devincoughlin/swift,lorentey/swift,frootloops/swift,IngmarStein/swift,kstaring/swift,JGiola/swift,IngmarStein/swift,natecook1000/swift,kentya6/swift,aschwaighofer/swift,codestergit/swift,LeoShimonaka/swift,kusl/swift,atrick/swift,jopamer/swift,CodaFi/swift,alblue/swift,mightydeveloper/swift,bitjammer/swift,tinysun212/swift-windows,djwbrown/swift,therealbnut/swift,emilstahl/swift,russbishop/swift,jckarter/swift,frootloops/swift,sschiau/swift,swiftix/swift,emilstahl/swift,roambotics/swift,ken0nek/swift,benlangmuir/swift,glessard/swift,JGiola/swift,russbishop/swift,calebd/swift,djwbrown/swift,gregomni/swift,kusl/swift,amraboelela/swift,allevato/swift,natecook1000/swift,tjw/swift,apple/swift,gottesmm/swift,tinysun212/swift-windows,swiftix/swift,amraboelela/swift,uasys/swift,cbrentharris/swift,cbrentharris/swift,aschwaighofer/swift,therealbnut/swift,jmgc/swift,gmilos/swift,russbishop/swift,gregomni/swift,tjw/swift,ben-ng/swift,nathawes/swift,kusl/swift,return/swift,frootloops/swift,arvedviehweger/swift,JaSpa/swift,gribozavr/swift,gottesmm/swift,shajrawi/swift,adrfer/swift,airspeedswift/swift,frootloops/swift,Jnosh/swift,return/swift,OscarSwanros/swift,amraboelela/swift,swiftix/swift.old,apple/swift,jopamer/swift,xwu/swift,harlanhaskins/swift,nathawes/swift,stephentyrone/swift,milseman/swift,hooman/swift,MukeshKumarS/Swift,benlangmuir/swift,allevato/swift,gregomni/swift,tardieu/swift,jckarter/swift,tardieu/swift,stephentyrone/swift,roambotics/swift,CodaFi/swift,alblue/swift,shahmishal/swift,mightydeveloper/swift,calebd/swift,cbrentharris/swift,Jnosh/swift,practicalswift/swift,austinzheng/swift,MukeshKumarS/Swift,huonw/swift,shahmishal/swift,codestergit/swift,dduan/swift,stephentyrone/swift,felix91gr/swift,karwa/swift,kstaring/swift,arvedviehweger/swift,modocache/swift,hughbe/swift,frootloops/swift,austinzheng/swift,zisko/swift,Ivacker/swift,hooman/swift,uasys/swift,KrishMunot/swift,Jnosh/swift,austinzheng/swift,SwiftAndroid/swift,manavgabhawala/swift,milseman/swift,sdulal/swift,brentdax/swift,hughbe/swift,manavgabhawala/swift,atrick/swift,brentdax/swift,milseman/swift,harlanhaskins/swift,LeoShimonaka/swift,dduan/swift,roambotics/swift,practicalswift/swift,tkremenek/swift,lorentey/swift,benlangmuir/swift,lorentey/swift,frootloops/swift,roambotics/swift,aschwaighofer/swift,calebd/swift,IngmarStein/swift,benlangmuir/swift,apple/swift,swiftix/swift.old,austinzheng/swift,sschiau/swift,djwbrown/swift,xedin/swift,JGiola/swift,devincoughlin/swift,kperryua/swift,kentya6/swift,ben-ng/swift,airspeedswift/swift,OscarSwanros/swift,kentya6/swift,felix91gr/swift,johnno1962d/swift,parkera/swift,gottesmm/swift,kentya6/swift,dreamsxin/swift,ahoppen/swift,modocache/swift,felix91gr/swift,shajrawi/swift,karwa/swift,swiftix/swift.old,huonw/swift,mightydeveloper/swift,Ivacker/swift,airspeedswift/swift,felix91gr/swift,alblue/swift,practicalswift/swift,shahmishal/swift,devincoughlin/swift,shahmishal/swift,swiftix/swift.old,JaSpa/swift,bitjammer/swift,johnno1962d/swift,nathawes/swift,roambotics/swift,therealbnut/swift,gribozavr/swift,rudkx/swift,xedin/swift,zisko/swift,lorentey/swift,swiftix/swift.old,devincoughlin/swift,uasys/swift,jopamer/swift,codestergit/swift,kentya6/swift,gmilos/swift,kusl/swift,therealbnut/swift,russbishop/swift,hughbe/swift,swiftix/swift.old,kperryua/swift,xwu/swift,Jnosh/swift,atrick/swift,gribozavr/swift,IngmarStein/swift,apple/swift,gribozavr/swift,khizkhiz/swift,felix91gr/swift,khizkhiz/swift,emilstahl/swift,ken0nek/swift,sdulal/swift,natecook1000/swift,tardieu/swift,austinzheng/swift,amraboelela/swift,kusl/swift,karwa/swift,shajrawi/swift,jopamer/swift,jopamer/swift,emilstahl/swift,adrfer/swift,gottesmm/swift,gottesmm/swift,Ivacker/swift,harlanhaskins/swift,CodaFi/swift,jtbandes/swift,deyton/swift,airspeedswift/swift,shajrawi/swift,huonw/swift,rudkx/swift,modocache/swift,OscarSwanros/swift,LeoShimonaka/swift,practicalswift/swift,SwiftAndroid/swift,slavapestov/swift,Jnosh/swift,sschiau/swift,kperryua/swift,tkremenek/swift,rudkx/swift,austinzheng/swift,milseman/swift,tjw/swift,tjw/swift,tardieu/swift,jtbandes/swift,xwu/swift,brentdax/swift,uasys/swift,mightydeveloper/swift,danielmartin/swift,SwiftAndroid/swift,milseman/swift,sschiau/swift,johnno1962d/swift,kentya6/swift,practicalswift/swift,brentdax/swift,Ivacker/swift,cbrentharris/swift,gmilos/swift,gregomni/swift,adrfer/swift,return/swift,dduan/swift,gribozavr/swift,Ivacker/swift,alblue/swift,jtbandes/swift,xwu/swift,russbishop/swift,deyton/swift,tkremenek/swift,russbishop/swift,nathawes/swift,ken0nek/swift,emilstahl/swift,swiftix/swift,modocache/swift,codestergit/swift,IngmarStein/swift,amraboelela/swift,rudkx/swift,OscarSwanros/swift,allevato/swift,arvedviehweger/swift,shajrawi/swift,dreamsxin/swift,OscarSwanros/swift,return/swift,swiftix/swift,karwa/swift,khizkhiz/swift,parkera/swift,gmilos/swift,LeoShimonaka/swift,devincoughlin/swift,tjw/swift,natecook1000/swift,zisko/swift,CodaFi/swift,JaSpa/swift,xedin/swift,huonw/swift,practicalswift/swift,mightydeveloper/swift,kentya6/swift,SwiftAndroid/swift,lorentey/swift,alblue/swift,LeoShimonaka/swift,swiftix/swift,airspeedswift/swift,austinzheng/swift,jtbandes/swift,xedin/swift,jckarter/swift,djwbrown/swift,danielmartin/swift,gribozavr/swift,dduan/swift,johnno1962d/swift,tardieu/swift,hughbe/swift,kperryua/swift,amraboelela/swift,khizkhiz/swift,ahoppen/swift,JaSpa/swift,codestergit/swift,adrfer/swift,roambotics/swift,stephentyrone/swift,ben-ng/swift,devincoughlin/swift,tardieu/swift,shajrawi/swift,MukeshKumarS/Swift,gmilos/swift,ben-ng/swift,jmgc/swift,JaSpa/swift,emilstahl/swift,Ivacker/swift,huonw/swift,rudkx/swift,kstaring/swift,adrfer/swift,Jnosh/swift,deyton/swift,lorentey/swift,SwiftAndroid/swift,johnno1962d/swift,natecook1000/swift,glessard/swift,jopamer/swift,lorentey/swift,karwa/swift,ahoppen/swift,calebd/swift,SwiftAndroid/swift,ahoppen/swift,djwbrown/swift,sschiau/swift,kusl/swift,johnno1962d/swift,jtbandes/swift,swiftix/swift,manavgabhawala/swift,mightydeveloper/swift,tinysun212/swift-windows,Ivacker/swift,zisko/swift,allevato/swift,bitjammer/swift,uasys/swift,allevato/swift,uasys/swift,airspeedswift/swift,jopamer/swift,allevato/swift,glessard/swift,danielmartin/swift,slavapestov/swift,kstaring/swift,tardieu/swift,felix91gr/swift,gottesmm/swift,kusl/swift,modocache/swift,natecook1000/swift,gregomni/swift,jtbandes/swift,bitjammer/swift,JGiola/swift,brentdax/swift,bitjammer/swift,sschiau/swift,shajrawi/swift,russbishop/swift,nathawes/swift,aschwaighofer/swift,swiftix/swift.old,stephentyrone/swift,aschwaighofer/swift,jmgc/swift,MukeshKumarS/Swift,gribozavr/swift,gribozavr/swift,kstaring/swift,deyton/swift,adrfer/swift,harlanhaskins/swift,hooman/swift,arvedviehweger/swift,slavapestov/swift,amraboelela/swift,kstaring/swift,sdulal/swift,return/swift,swiftix/swift,tkremenek/swift,apple/swift,danielmartin/swift,kstaring/swift,parkera/swift,kperryua/swift,cbrentharris/swift,Jnosh/swift,xwu/swift,johnno1962d/swift,djwbrown/swift,JGiola/swift,JaSpa/swift,ahoppen/swift,calebd/swift,LeoShimonaka/swift,frootloops/swift,uasys/swift